原理：正则表达式[^0-9.]匹配并删除所有非数字字符，比手动删除符号快10倍。CAST确保结果为数值类型，可直接计算。

UK Board Class 12 Computer Science Syllabus 2025-26 has been released on the official website. Students can check this ...

SQLite 是一个被大家低估的数据库，但有些人认为它是一个不适合生产环境使用的玩具数据库。事实上，SQLite 是一个非常可靠的数据库，它可以处理 TB 级的数据，但它没有网络层。接下来，本文将与大家共同探讨 SQLite 在过去一年中最新的 SQL 功能。 微信，一个 ...

Ayyoun is a staff writer who loves all things gaming and tech. His journey into the realm of gaming began with a PlayStation 1 but he chose PC as his platform of choice. With over 6 years of ...

Choose a SQL Server trial, edition, tool, or connector that best meets your data and workload needs. Get the full-featured free edition, licensed for use as a development and test database in a ...

本文教你用SQL在Excel中实现动态数据清洗、跨表计算、条件分组，解决数据透视表无法实时更新、多表关联困难、计算字段繁琐等痛点。无需编程基础，跟着操作就能上手！ SELECTa.订单ID, b.客户等级, a.订单金额 ...

Congress is weighing a bill that would send Americans hundreds of dollars in the form of tariff rebate checks — similar to the pandemic stimulus checks — in potential efforts to soften the financial ...

Around 1 in 5 children today are living in extreme poverty, according to new World Bank-UNICEF research. In 2024, an estimated 412 million children aged 17 or younger were residing in households ...

If your weekly routine consists of struggling with dinner recipes or feeling overwhelmed by meal prep times, you may want to consider exploring a meal delivery service. These services send either ...

The National Payments Corporation of India (NPCI) has increased UPI transaction limits for specific categories, effective September 15. Tax payments, government e-marketplaces, and B2B transactions ...

Māori health providers have told a select committee changes to health laws would further sideline Māori in the health sector. A suite of amendments to the Pae Ora (Healthy Futures) Act 2022 were ...

Displaced Palestinians, fleeing northern Gaza due to an Israeli military operation, move southward after Israeli forces ordered residents of Gaza City to evacuate to the south, in the central Gaza ...